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Problem- Serum taken from a patient being treated with lithium for lithium concentration. A reading of 341 units was obtained for the intensity of the 671 nm red emission line. Then 1.00 mL of a 11.5 mM Lithium standard was added to 9.00 mL of serum, and this spiked serum gave an intensity reading of 867 units. What is the original concentration of Li in the serum?
Thoughtfully please put your best attempt to provide the solution of above problem
in ploystyrene beaker , we mixed 30 mL of 0.1 M sodium acetate and 15 mL of 0.1 M hydrocloric acid. we measured the PH it was 4.86
What is the pressure in atmospheres of the gas inside the container connected to an open-end, mercury-filled manometer as shown in the picture, which is 18cm The atmospheric pressure is 0.95 atm.
a volume of 84.0ml 0.25 m hydrogen bromide is titrated with 0.50 m potassium hydroxide. 42.0ml of koh is added further
estimate the mean ionic activity coefficient for nacl in a solution that is 0.020 molkg naclaq and 0.035 molkg cano32
Write down the full Hamiltonian for a He atom moving freely in space, i.e., there is no external potential. b) Now assume there is no repulsion between the electrons
Compare the release of S02 in the scrubbed flue gas (determined in Problem 14.6) with the EP A limit of no more than 520 nanograms S02 per joule of heat input to the boiler.
Delta G for the reaction Ag2 O(s)----->2Ag(s)+1/2 O2(g) is +11 kJ/mole. What will be the value of delta G for this reaction at 25 C when the oxygen pressure is 0.19 atm. A. 6.9 kJ/mol B. 8.9 kJ/mol C. 10 kJ/mol D. 13 kJ/mol
a flask contains 30mL of 0.16 M phosphate buffer that has a pH of 7.1. what volume of 0.06M NaOH should be added to increase
the I2 sublimes and gasses iodine heptofluride forms 2.7x10^2 torr of T2 and 3.8 g of solid I2 are put in to a 2.5 L Container at 2.5x10^2 K and container is heated to 5.5 x 10^2 K A what is the final pressure in atms? what is the partial pressure..
Write balanced chemical equations and the solubility product expressions for the solubility equilibria of silver chloride and calcium phosphate.
when 9 ml of a solution containing 1.53 m na3po4 is diluted to 36 ml a dilute solution is formed. how many moles of na
Question- A gas at a temperature of 85 degrees C occupies a volume of 175 mL. Assuming constant pressure, determine the volume at 15 degrees C.
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